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प्रश्न
If 7 kg onions cost 140 rupees, how much must we pay for 12 kg onions?
उत्तर
The cost of 7 kg of onions is 140 rupees. Therefore, the cost per kg is:
Cost per kg = `140/7`
= ₹ 20
The cost for 12 kg of onions is:
Cost for 12 kg = 20 × 12
= ₹ 240
The cost for 12 kg of onions is 240 rupees.
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